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Old 09-10-2004, 08:36 AM
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1/8th mile to 1/4 mile conversion

Hi everyone.
i had my car out to the track a few weeks ago and i ran a best of 7.80 with no exhaust and i was wondering if anyone knows how to do the conversion to quarter mile.
last night i tryed my Gtec pro out with the slicks on and full exhaust and i made 4 runs with it and my best time was a 12.79 at 112 mph. and my next 2 best were 12.80 @111 12.90 @109 and the worst pass was i dident rev it up enuff and it bogged and i pushed the cluch back in and let it out again and still ran a 13.03 at 103mph.
so anyways i was just wondering what a 7.80 at 88 mph converts to in the 1/4 mile.
any help would be great.
thanks Ken.

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Old 09-10-2004, 10:40 AM
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i believe its something like time x 1.54= approx quarter. There are calcs all over the internet.
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Old 09-10-2004, 10:56 AM
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Ummmm this is probably a dumb question, and I'm not trying to sound like a jacka$$, but . . . . why don't you take it to a 1/4 mile track?







MoocH
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Old 09-10-2004, 01:16 PM
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This should do the trick.
The exact calculation is prett huge and requires NASA to fire up the old tape drives... but you get the idea

http://www.speedworx.com/cgi-local/s...eighthconv.htm

68
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Old 09-10-2004, 05:25 PM
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the nearest track is 350 miles away.
so this is the best i can do.

68impala
thanks for the info.
7.80 converts to a 12.25 to a 12.39
im very happy with that.
i thought i would be somewhere in the mid to high 12s.
thanks again.
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Last edited by Ken. P.; 09-10-2004 at 05:25 PM.
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